A:AnswerNo. It can cast from a laptop to the TV. So if you start your video call on the browser and cast your tab or browser, then it works. The other option is cast Google Duo. But you will need to face your camera on the device which might make the video calling experience confusing.
A:AnswerOnly if it has an HDMI port. I have mine connected to a HDMI port of a 2009 Element 50" plasma TV. That TV also has a VGA port, which a lot of newer televisions don't.